When I bought my retirement home in 1998, south Tampa had hundreds of citrus trees, and part of the joy was that incredible fragrance each winter and spring. Neighbors would give each other whole bags of various kinds of fruit. I had never heard of "Citrus Greening" until it killed my neighbor Theresa's huge juicing orange and pink grapefruit about five years ago that her husband Bill planted in 1961.....now it has wiped out nearly all citrus trees in south Tampa except for one in the pic in a yard two houses west of hers. It too now has Citrus Greening. All of my citrus trees are fine, but they are own root and for years my soil has gotten trace elements from kelp meal, Mill's Magic Rose Mix, azomite, and Sunniland trace elements. The only one I lost was a limequat killed by a flock of Muscovy ducks who's manure burned it to death. Living here has so changed in the absence of citrus trees! I hope that mine continue to do well. John